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David Brownell7be2c7c2007-02-10 01:46:02 -08001#
Alessandro Zummoc58411e2006-03-27 01:16:34 -08002# RTC class/drivers configuration
3#
4
5config RTC_LIB
John Stultzb4d246b2011-04-29 15:03:11 -07006 bool
Alessandro Zummo0c86edc2006-03-27 01:16:37 -08007
Jan Engelhardtbb35fb22007-07-31 00:39:46 -07008menuconfig RTC_CLASS
John Stultzb4d246b2011-04-29 15:03:11 -07009 bool "Real Time Clock"
Alessandro Zummo0c86edc2006-03-27 01:16:37 -080010 default n
Al Viro33694652011-08-18 20:11:59 +010011 depends on !S390 && !UML
Alessandro Zummo0c86edc2006-03-27 01:16:37 -080012 select RTC_LIB
13 help
14 Generic RTC class support. If you say yes here, you will
15 be allowed to plug one or more RTCs to your system. You will
Adrian Bunk27ae4102006-06-30 18:18:41 +020016 probably want to enable one or more of the interfaces below.
Alessandro Zummo0c86edc2006-03-27 01:16:37 -080017
Jan Engelhardtbb35fb22007-07-31 00:39:46 -070018if RTC_CLASS
19
Alessandro Zummo0c86edc2006-03-27 01:16:37 -080020config RTC_HCTOSYS
David Brownell7ca1d482007-05-08 00:33:42 -070021 bool "Set system time from RTC on startup and resume"
Alessandro Zummo0c86edc2006-03-27 01:16:37 -080022 default y
23 help
David Brownell7ca1d482007-05-08 00:33:42 -070024 If you say yes here, the system time (wall clock) will be set using
25 the value read from a specified RTC device. This is useful to avoid
26 unnecessary fsck runs at boot time, and to network better.
Alessandro Zummo0c86edc2006-03-27 01:16:37 -080027
Jason Gunthorpe023f3332012-12-17 14:30:53 -070028config RTC_SYSTOHC
29 bool "Set the RTC time based on NTP synchronization"
30 default y
31 help
32 If you say yes here, the system time (wall clock) will be stored
33 in the RTC specified by RTC_HCTOSYS_DEVICE approximately every 11
34 minutes if userspace reports synchronized NTP status.
35
Alessandro Zummo0c86edc2006-03-27 01:16:37 -080036config RTC_HCTOSYS_DEVICE
David Brownell7ca1d482007-05-08 00:33:42 -070037 string "RTC used to set the system time"
Jason Gunthorpe023f3332012-12-17 14:30:53 -070038 depends on RTC_HCTOSYS = y || RTC_SYSTOHC = y
Alessandro Zummo0c86edc2006-03-27 01:16:37 -080039 default "rtc0"
40 help
David Brownell7ca1d482007-05-08 00:33:42 -070041 The RTC device that will be used to (re)initialize the system
Alessandro Zummoae64d162009-01-06 14:42:17 -080042 clock, usually rtc0. Initialization is done when the system
43 starts up, and when it resumes from a low power state. This
David Brownell779d2082007-11-14 16:58:29 -080044 device should record time in UTC, since the kernel won't do
45 timezone correction.
David Brownell7ca1d482007-05-08 00:33:42 -070046
David Brownell55ff1ab2007-07-21 04:37:56 -070047 The driver for this RTC device must be loaded before late_initcall
48 functions run, so it must usually be statically linked.
49
David Brownell7ca1d482007-05-08 00:33:42 -070050 This clock should be battery-backed, so that it reads the correct
Alessandro Zummoae64d162009-01-06 14:42:17 -080051 time when the system boots from a power-off state. Otherwise, your
David Brownell7ca1d482007-05-08 00:33:42 -070052 system will need an external clock source (like an NTP server).
53
54 If the clock you specify here is not battery backed, it may still
55 be useful to reinitialize system time when resuming from system
Alessandro Zummo09b6bdb3b2008-02-06 01:38:40 -080056 sleep states. Do not specify an RTC here unless it stays powered
David Brownell7ca1d482007-05-08 00:33:42 -070057 during all this system's supported sleep states.
Alessandro Zummo0c86edc2006-03-27 01:16:37 -080058
David Brownell9e86ecb2006-09-30 23:28:14 -070059config RTC_DEBUG
60 bool "RTC debug support"
David Brownell9e86ecb2006-09-30 23:28:14 -070061 help
62 Say yes here to enable debugging support in the RTC framework
63 and individual RTC drivers.
64
Alessandro Zummo0c86edc2006-03-27 01:16:37 -080065comment "RTC interfaces"
Alessandro Zummo0c86edc2006-03-27 01:16:37 -080066
Alessandro Zummoc5c3e192006-03-27 01:16:39 -080067config RTC_INTF_SYSFS
David Brownelle40659c2007-05-16 22:11:15 -070068 boolean "/sys/class/rtc/rtcN (sysfs)"
Jan Engelhardtbb35fb22007-07-31 00:39:46 -070069 depends on SYSFS
Kevin Hilman8dc08392012-10-10 15:54:06 -070070 default RTC_CLASS
Alessandro Zummoc5c3e192006-03-27 01:16:39 -080071 help
David Brownell9e86ecb2006-09-30 23:28:14 -070072 Say yes here if you want to use your RTCs using sysfs interfaces,
73 /sys/class/rtc/rtc0 through /sys/.../rtcN.
Alessandro Zummoc5c3e192006-03-27 01:16:39 -080074
Alessandro Zummoae64d162009-01-06 14:42:17 -080075 If unsure, say Y.
Alessandro Zummoc5c3e192006-03-27 01:16:39 -080076
Alessandro Zummo728a2942006-03-27 01:16:40 -080077config RTC_INTF_PROC
Kim, Milo92589c92012-10-04 17:13:45 -070078 boolean "/proc/driver/rtc (procfs for rtcN)"
Jan Engelhardtbb35fb22007-07-31 00:39:46 -070079 depends on PROC_FS
Kevin Hilman8dc08392012-10-10 15:54:06 -070080 default RTC_CLASS
Alessandro Zummo728a2942006-03-27 01:16:40 -080081 help
Kim, Milo92589c92012-10-04 17:13:45 -070082 Say yes here if you want to use your system clock RTC through
83 the proc interface, /proc/driver/rtc.
84 Other RTCs will not be available through that API.
85 If there is no RTC for the system clock, then the first RTC(rtc0)
86 is used by default.
Alessandro Zummo728a2942006-03-27 01:16:40 -080087
Alessandro Zummoae64d162009-01-06 14:42:17 -080088 If unsure, say Y.
Alessandro Zummo728a2942006-03-27 01:16:40 -080089
Alessandro Zummoe8242902006-03-27 01:16:41 -080090config RTC_INTF_DEV
David Brownelle40659c2007-05-16 22:11:15 -070091 boolean "/dev/rtcN (character devices)"
Kevin Hilman8dc08392012-10-10 15:54:06 -070092 default RTC_CLASS
Alessandro Zummoe8242902006-03-27 01:16:41 -080093 help
David Brownell9e86ecb2006-09-30 23:28:14 -070094 Say yes here if you want to use your RTCs using the /dev
95 interfaces, which "udev" sets up as /dev/rtc0 through
Alessandro Zummoae64d162009-01-06 14:42:17 -080096 /dev/rtcN.
Alessandro Zummoe8242902006-03-27 01:16:41 -080097
Alessandro Zummoae64d162009-01-06 14:42:17 -080098 You may want to set up a symbolic link so one of these
99 can be accessed as /dev/rtc, which is a name
100 expected by "hwclock" and some other programs. Recent
101 versions of "udev" are known to set up the symlink for you.
102
103 If unsure, say Y.
Alessandro Zummoe8242902006-03-27 01:16:41 -0800104
John Stultz6e57b1d2011-02-11 17:45:40 -0800105config RTC_INTF_DEV_UIE_EMUL
106 bool "RTC UIE emulation on dev interface"
107 depends on RTC_INTF_DEV
108 help
109 Provides an emulation for RTC_UIE if the underlying rtc chip
110 driver does not expose RTC_UIE ioctls. Those requests generate
111 once-per-second update interrupts, used for synchronization.
112
113 The emulation code will read the time from the hardware
114 clock several times per second, please enable this option
115 only if you know that you really need it.
116
Alessandro Zummo09a21e52007-05-08 00:33:48 -0700117config RTC_DRV_TEST
118 tristate "Test driver/device"
Alessandro Zummo09a21e52007-05-08 00:33:48 -0700119 help
120 If you say yes here you get support for the
121 RTC test driver. It's a software RTC which can be
122 used to test the RTC subsystem APIs. It gets
123 the time from the system clock.
124 You want this driver only if you are doing development
125 on the RTC subsystem. Please read the source code
126 for further details.
127
128 This driver can also be built as a module. If so, the module
129 will be called rtc-test.
130
131comment "I2C RTC drivers"
Jan Engelhardtbb35fb22007-07-31 00:39:46 -0700132 depends on I2C
133
134if I2C
Alessandro Zummo09a21e52007-05-08 00:33:48 -0700135
Haojian Zhuang008b3042011-05-06 17:21:20 +0800136config RTC_DRV_88PM860X
137 tristate "Marvell 88PM860x"
Venu Byravarasu6b8029f2012-10-04 17:13:59 -0700138 depends on I2C && MFD_88PM860X
Haojian Zhuang008b3042011-05-06 17:21:20 +0800139 help
140 If you say yes here you get support for RTC function in Marvell
141 88PM860x chips.
142
143 This driver can also be built as a module. If so, the module
144 will be called rtc-88pm860x.
145
Qiao Zhou2985c292012-07-09 14:37:34 +0800146config RTC_DRV_88PM80X
147 tristate "Marvell 88PM80x"
Venu Byravarasu6b8029f2012-10-04 17:13:59 -0700148 depends on I2C && MFD_88PM800
Qiao Zhou2985c292012-07-09 14:37:34 +0800149 help
150 If you say yes here you get support for RTC function in Marvell
151 88PM80x chips.
152
153 This driver can also be built as a module. If so, the module
154 will be called rtc-88pm80x.
155
Laxman Dewanganb4506262013-11-12 15:11:05 -0800156config RTC_DRV_AS3722
157 tristate "ams AS3722 RTC driver"
158 depends on MFD_AS3722
159 help
160 If you say yes here you get support for the RTC of ams AS3722 PMIC
161 chips.
162
163 This driver can also be built as a module. If so, the module
164 will be called rtc-as3722.
165
Alessandro Zummo09a21e52007-05-08 00:33:48 -0700166config RTC_DRV_DS1307
Matthias Fuchsa2166852009-03-31 15:24:58 -0700167 tristate "Dallas/Maxim DS1307/37/38/39/40, ST M41T00, EPSON RX-8025"
Alessandro Zummo09a21e52007-05-08 00:33:48 -0700168 help
169 If you say yes here you get support for various compatible RTC
Alessandro Zummoae64d162009-01-06 14:42:17 -0800170 chips (often with battery backup) connected with I2C. This driver
Alessandro Zummo09a21e52007-05-08 00:33:48 -0700171 should handle DS1307, DS1337, DS1338, DS1339, DS1340, ST M41T00,
Matthias Fuchsa2166852009-03-31 15:24:58 -0700172 EPSON RX-8025 and probably other chips. In some cases the RTC
173 must already have been initialized (by manufacturing or a
174 bootloader).
Alessandro Zummo09a21e52007-05-08 00:33:48 -0700175
176 The first seven registers on these chips hold an RTC, and other
177 registers may add features such as NVRAM, a trickle charger for
Alessandro Zummoae64d162009-01-06 14:42:17 -0800178 the RTC/NVRAM backup power, and alarms. NVRAM is visible in
David Brownell682d73f2007-11-14 16:58:32 -0800179 sysfs, but other chip features may not be available.
Alessandro Zummo09a21e52007-05-08 00:33:48 -0700180
181 This driver can also be built as a module. If so, the module
182 will be called rtc-ds1307.
183
Scott Woodbf4994d2007-10-16 01:28:19 -0700184config RTC_DRV_DS1374
Alessandro Zummo09b6bdb3b2008-02-06 01:38:40 -0800185 tristate "Dallas/Maxim DS1374"
Venu Byravarasu6b8029f2012-10-04 17:13:59 -0700186 depends on I2C
Scott Woodbf4994d2007-10-16 01:28:19 -0700187 help
188 If you say yes here you get support for Dallas Semiconductor
Alessandro Zummoae64d162009-01-06 14:42:17 -0800189 DS1374 real-time clock chips. If an interrupt is associated
Scott Woodbf4994d2007-10-16 01:28:19 -0700190 with the device, the alarm functionality is supported.
191
Alessandro Zummoae64d162009-01-06 14:42:17 -0800192 This driver can also be built as a module. If so, the module
Scott Woodbf4994d2007-10-16 01:28:19 -0700193 will be called rtc-ds1374.
194
Alessandro Zummo09a21e52007-05-08 00:33:48 -0700195config RTC_DRV_DS1672
196 tristate "Dallas/Maxim DS1672"
Alessandro Zummo09a21e52007-05-08 00:33:48 -0700197 help
198 If you say yes here you get support for the
199 Dallas/Maxim DS1672 timekeeping chip.
200
201 This driver can also be built as a module. If so, the module
202 will be called rtc-ds1672.
203
Roy Zangc03675f2010-08-10 18:02:20 -0700204config RTC_DRV_DS3232
205 tristate "Dallas/Maxim DS3232"
Venu Byravarasu6b8029f2012-10-04 17:13:59 -0700206 depends on I2C
Roy Zangc03675f2010-08-10 18:02:20 -0700207 help
208 If you say yes here you get support for Dallas Semiconductor
Lan Chunhe-B25806f46418c2010-10-27 15:33:12 -0700209 DS3232 real-time clock chips. If an interrupt is associated
210 with the device, the alarm functionality is supported.
Roy Zangc03675f2010-08-10 18:02:20 -0700211
212 This driver can also be built as a module. If so, the module
213 will be called rtc-ds3232.
214
Heiko Stuebnerdcaf0382014-01-23 15:55:10 -0800215config RTC_DRV_HYM8563
216 tristate "Haoyu Microelectronics HYM8563"
217 depends on I2C && OF
218 help
219 Say Y to enable support for the HYM8563 I2C RTC chip. Apart
220 from the usual rtc functions it provides a clock output of
221 up to 32kHz.
222
223 This driver can also be built as a module. If so, the module
224 will be called rtc-hym8563.
225
Kim, Milo38ae1762013-02-21 16:44:32 -0800226config RTC_DRV_LP8788
227 tristate "TI LP8788 RTC driver"
228 depends on MFD_LP8788
229 help
230 Say Y to enable support for the LP8788 RTC/ALARM driver.
231
Alessandro Zummo09a21e52007-05-08 00:33:48 -0700232config RTC_DRV_MAX6900
Alessandro Zummo09b6bdb3b2008-02-06 01:38:40 -0800233 tristate "Maxim MAX6900"
Alessandro Zummo09a21e52007-05-08 00:33:48 -0700234 help
235 If you say yes here you will get support for the
236 Maxim MAX6900 I2C RTC chip.
237
238 This driver can also be built as a module. If so, the module
239 will be called rtc-max6900.
240
Stephen Warren94c01ab2012-10-04 17:13:56 -0700241config RTC_DRV_MAX8907
242 tristate "Maxim MAX8907"
243 depends on MFD_MAX8907
244 help
245 If you say yes here you will get support for the
246 RTC of Maxim MAX8907 PMIC.
247
248 This driver can also be built as a module. If so, the module
249 will be called rtc-max8907.
250
Haojian Zhuanga39069f2010-01-25 06:30:29 -0500251config RTC_DRV_MAX8925
252 tristate "Maxim MAX8925"
253 depends on MFD_MAX8925
254 help
255 If you say yes here you will get support for the
256 RTC of Maxim MAX8925 PMIC.
257
258 This driver can also be built as a module. If so, the module
259 will be called rtc-max8925.
260
Joonyoung Shim9b16c0a2010-08-06 11:28:08 +0900261config RTC_DRV_MAX8998
262 tristate "Maxim MAX8998"
263 depends on MFD_MAX8998
264 help
265 If you say yes here you will get support for the
266 RTC of Maxim MAX8998 PMIC.
267
268 This driver can also be built as a module. If so, the module
269 will be called rtc-max8998.
270
Jonghwa Lee5e0b2702013-02-21 16:45:07 -0800271config RTC_DRV_MAX8997
272 tristate "Maxim MAX8997"
273 depends on MFD_MAX8997
274 help
275 If you say yes here you will get support for the
276 RTC of Maxim MAX8997 PMIC.
277
278 This driver can also be built as a module. If so, the module
279 will be called rtc-max8997.
280
Jonghwa Leefca1dd02013-02-21 16:44:26 -0800281config RTC_DRV_MAX77686
282 tristate "Maxim MAX77686"
283 depends on MFD_MAX77686
284 help
285 If you say yes here you will get support for the
286 RTC of Maxim MAX77686 PMIC.
287
288 This driver can also be built as a module. If so, the module
289 will be called rtc-max77686.
290
Alessandro Zummo09a21e52007-05-08 00:33:48 -0700291config RTC_DRV_RS5C372
Paul Mundt5d4529b2008-10-21 20:12:59 +0900292 tristate "Ricoh R2025S/D, RS5C372A/B, RV5C386, RV5C387A"
Alessandro Zummo09a21e52007-05-08 00:33:48 -0700293 help
294 If you say yes here you get support for the
Paul Mundt5d4529b2008-10-21 20:12:59 +0900295 Ricoh R2025S/D, RS5C372A, RS5C372B, RV5C386, and RV5C387A RTC chips.
Alessandro Zummo09a21e52007-05-08 00:33:48 -0700296
297 This driver can also be built as a module. If so, the module
298 will be called rtc-rs5c372.
299
300config RTC_DRV_ISL1208
Alessandro Zummo09b6bdb3b2008-02-06 01:38:40 -0800301 tristate "Intersil ISL1208"
Alessandro Zummo09a21e52007-05-08 00:33:48 -0700302 help
303 If you say yes here you get support for the
Alessandro Zummo09b6bdb3b2008-02-06 01:38:40 -0800304 Intersil ISL1208 RTC chip.
Alessandro Zummo09a21e52007-05-08 00:33:48 -0700305
306 This driver can also be built as a module. If so, the module
307 will be called rtc-isl1208.
308
Roman Fietzed6c74282010-08-10 18:02:14 -0700309config RTC_DRV_ISL12022
310 tristate "Intersil ISL12022"
311 help
312 If you say yes here you get support for the
313 Intersil ISL12022 RTC chip.
314
315 This driver can also be built as a module. If so, the module
316 will be called rtc-isl12022.
317
Arnaud Ebalard70e12332013-12-19 23:27:28 +0100318config RTC_DRV_ISL12057
319 depends on I2C
320 select REGMAP_I2C
321 tristate "Intersil ISL12057"
322 help
323 If you say yes here you get support for the Intersil ISL12057
324 I2C RTC chip.
325
326 This driver can also be built as a module. If so, the module
327 will be called rtc-isl12057.
328
Alessandro Zummo09a21e52007-05-08 00:33:48 -0700329config RTC_DRV_X1205
330 tristate "Xicor/Intersil X1205"
Alessandro Zummo09a21e52007-05-08 00:33:48 -0700331 help
332 If you say yes here you get support for the
333 Xicor/Intersil X1205 RTC chip.
334
335 This driver can also be built as a module. If so, the module
336 will be called rtc-x1205.
337
Laxman Dewangan0101e532013-01-03 16:17:00 +0530338config RTC_DRV_PALMAS
339 tristate "TI Palmas RTC driver"
340 depends on MFD_PALMAS
341 help
342 If you say yes here you get support for the RTC of TI PALMA series PMIC
343 chips.
344
345 This driver can also be built as a module. If so, the module
346 will be called rtc-palma.
347
Renaud Cerrato18cb6362013-07-03 15:08:01 -0700348config RTC_DRV_PCF2127
349 tristate "NXP PCF2127"
350 help
351 If you say yes here you get support for the NXP PCF2127/29 RTC
352 chips.
353
354 This driver can also be built as a module. If so, the module
355 will be called rtc-pcf2127.
356
Thierry Redingf803f0d2012-12-17 16:02:44 -0800357config RTC_DRV_PCF8523
358 tristate "NXP PCF8523"
359 help
360 If you say yes here you get support for the NXP PCF8523 RTC
361 chips.
362
363 This driver can also be built as a module. If so, the module
364 will be called rtc-pcf8523.
365
Alessandro Zummo09a21e52007-05-08 00:33:48 -0700366config RTC_DRV_PCF8563
367 tristate "Philips PCF8563/Epson RTC8564"
Alessandro Zummo09a21e52007-05-08 00:33:48 -0700368 help
369 If you say yes here you get support for the
370 Philips PCF8563 RTC chip. The Epson RTC8564
371 should work as well.
372
373 This driver can also be built as a module. If so, the module
374 will be called rtc-pcf8563.
375
Søren Andersen796b7ab2014-08-08 14:20:22 -0700376config RTC_DRV_PCF85063
377 tristate "nxp PCF85063"
378 help
379 If you say yes here you get support for the PCF85063 RTC chip
380
381 This driver can also be built as a module. If so, the module
382 will be called rtc-pcf85063.
383
Alessandro Zummo09a21e52007-05-08 00:33:48 -0700384config RTC_DRV_PCF8583
385 tristate "Philips PCF8583"
Alessandro Zummo09a21e52007-05-08 00:33:48 -0700386 help
387 If you say yes here you get support for the Philips PCF8583
388 RTC chip found on Acorn RiscPCs. This driver supports the
389 platform specific method of retrieving the current year from
390 the RTC's SRAM. It will work on other platforms with the same
391 chip, but the year will probably have to be tweaked.
392
393 This driver can also be built as a module. If so, the module
394 will be called rtc-pcf8583.
395
Atsushi Nemotocaaff562007-07-17 04:05:02 -0700396config RTC_DRV_M41T80
Wolfram Sang6b1a5232014-06-06 14:35:47 -0700397 tristate "ST M41T62/65/M41T80/81/82/83/84/85/87 and compatible"
Atsushi Nemotocaaff562007-07-17 04:05:02 -0700398 help
Steven A. Falcod3a126f2008-10-15 22:03:07 -0700399 If you say Y here you will get support for the ST M41T60
400 and M41T80 RTC chips series. Currently, the following chips are
Daniel Glocknerf30281f2009-04-02 16:57:03 -0700401 supported: M41T62, M41T65, M41T80, M41T81, M41T82, M41T83, M41ST84,
Wolfram Sang6b1a5232014-06-06 14:35:47 -0700402 M41ST85, M41ST87, and MicroCrystal RV4162.
Atsushi Nemotocaaff562007-07-17 04:05:02 -0700403
404 This driver can also be built as a module. If so, the module
405 will be called rtc-m41t80.
406
Atsushi Nemoto617780d2007-07-17 04:05:04 -0700407config RTC_DRV_M41T80_WDT
Steven A. Falcod3a126f2008-10-15 22:03:07 -0700408 bool "ST M41T65/M41T80 series RTC watchdog timer"
Atsushi Nemoto617780d2007-07-17 04:05:04 -0700409 depends on RTC_DRV_M41T80
410 help
411 If you say Y here you will get support for the
Steven A. Falcod3a126f2008-10-15 22:03:07 -0700412 watchdog timer in the ST M41T60 and M41T80 RTC chips series.
Atsushi Nemoto617780d2007-07-17 04:05:04 -0700413
Piotr Ziecik1ce7c832009-12-15 16:46:12 -0800414config RTC_DRV_BQ32K
415 tristate "TI BQ32000"
416 help
417 If you say Y here you will get support for the TI
418 BQ32000 I2C RTC chip.
419
420 This driver can also be built as a module. If so, the module
421 will be called rtc-bq32k.
422
David Brownellafd8d0f2009-02-04 15:12:01 -0800423config RTC_DRV_DM355EVM
424 tristate "TI DaVinci DM355 EVM RTC"
425 depends on MFD_DM355EVM_MSP
426 help
427 Supports the RTC firmware in the MSP430 on the DM355 EVM.
428
Tony Lindgren0c4a59f2007-07-17 04:06:09 -0700429config RTC_DRV_TWL92330
430 boolean "TI TWL92330/Menelaus"
Jan Engelhardtbb35fb22007-07-31 00:39:46 -0700431 depends on MENELAUS
Tony Lindgren0c4a59f2007-07-17 04:06:09 -0700432 help
433 If you say yes here you get support for the RTC on the
Matt LaPlante01dd2fb2007-10-20 01:34:40 +0200434 TWL92330 "Menelaus" power management chip, used with OMAP2
Alessandro Zummoae64d162009-01-06 14:42:17 -0800435 platforms. The support is integrated with the rest of
Tony Lindgren0c4a59f2007-07-17 04:06:09 -0700436 the Menelaus driver; it's not separate module.
437
David Brownellf96411a2008-10-20 23:50:05 +0200438config RTC_DRV_TWL4030
Balaji T Ka6b49ff2009-12-13 22:16:31 +0100439 tristate "TI TWL4030/TWL5030/TWL6030/TPS659x0"
Venu Byravarasu6b8029f2012-10-04 17:13:59 -0700440 depends on TWL4030_CORE
David Brownellf96411a2008-10-20 23:50:05 +0200441 help
442 If you say yes here you get support for the RTC on the
Balaji T Ka6b49ff2009-12-13 22:16:31 +0100443 TWL4030/TWL5030/TWL6030 family chips, used mostly with OMAP3 platforms.
David Brownellf96411a2008-10-20 23:50:05 +0200444
445 This driver can also be built as a module. If so, the module
Balaji T Ka6b49ff2009-12-13 22:16:31 +0100446 will be called rtc-twl.
David Brownellf96411a2008-10-20 23:50:05 +0200447
Laxman Dewangandc59ed32013-01-04 15:35:44 -0800448config RTC_DRV_TPS6586X
449 tristate "TI TPS6586X RTC driver"
450 depends on MFD_TPS6586X
451 help
Masanari Iidaa895d572013-04-09 02:06:50 +0900452 TI Power Management IC TPS6586X supports RTC functionality
Laxman Dewangandc59ed32013-01-04 15:35:44 -0800453 along with alarm. This driver supports the RTC driver for
454 the TPS6586X RTC module.
455
Venu Byravarasu0e783982012-10-04 17:13:55 -0700456config RTC_DRV_TPS65910
457 tristate "TI TPS65910 RTC driver"
458 depends on RTC_CLASS && MFD_TPS65910
459 help
460 If you say yes here you get support for the RTC on the
461 TPS65910 chips.
462
463 This driver can also be built as a module. If so, the module
464 will be called rtc-tps65910.
465
Laxman Dewangan36d61822013-02-21 16:44:34 -0800466config RTC_DRV_TPS80031
467 tristate "TI TPS80031/TPS80032 RTC driver"
468 depends on MFD_TPS80031
469 help
Masanari Iidaa895d572013-04-09 02:06:50 +0900470 TI Power Management IC TPS80031 supports RTC functionality
Laxman Dewangan36d61822013-02-21 16:44:34 -0800471 along with alarm. This driver supports the RTC driver for
472 the TPS80031 RTC module.
473
Venu Byravarasu90829c02012-10-04 17:14:04 -0700474config RTC_DRV_RC5T583
475 tristate "RICOH 5T583 RTC driver"
476 depends on MFD_RC5T583
477 help
478 If you say yes here you get support for the RTC on the
479 RICOH 5T583 chips.
480
481 This driver can also be built as a module. If so, the module
482 will be called rtc-rc5t583.
483
Byron Bradleyc46288b2008-03-04 14:28:25 -0800484config RTC_DRV_S35390A
485 tristate "Seiko Instruments S-35390A"
Randy Dunlapd4795402008-04-10 21:29:18 -0700486 select BITREVERSE
Byron Bradleyc46288b2008-03-04 14:28:25 -0800487 help
488 If you say yes here you will get support for the Seiko
489 Instruments S-35390A.
490
491 This driver can also be built as a module. If so the module
492 will be called rtc-s35390a.
493
Sergey Lapinc6d8f402008-06-12 15:21:55 -0700494config RTC_DRV_FM3130
495 tristate "Ramtron FM3130"
496 help
497 If you say Y here you will get support for the
498 Ramtron FM3130 RTC chips.
499 Ramtron FM3130 is a chip with two separate devices inside,
500 RTC clock and FRAM. This driver provides only RTC functionality.
501
502 This driver can also be built as a module. If so the module
503 will be called rtc-fm3130.
504
Martyn Welcha7fa9852008-11-12 13:27:06 -0800505config RTC_DRV_RX8581
506 tristate "Epson RX-8581"
507 help
508 If you say yes here you will get support for the Epson RX-8581.
509
510 This driver can also be built as a module. If so the module
511 will be called rtc-rx8581.
512
Wolfgang Grandegger3c2b9072009-06-17 16:26:11 -0700513config RTC_DRV_RX8025
514 tristate "Epson RX-8025SA/NB"
515 help
516 If you say yes here you get support for the Epson
517 RX-8025SA/NB RTC chips.
518
519 This driver can also be built as a module. If so, the module
520 will be called rtc-rx8025.
521
Mike Rapoportae3551f2011-05-26 16:25:04 -0700522config RTC_DRV_EM3027
523 tristate "EM Microelectronic EM3027"
524 help
525 If you say yes here you get support for the EM
526 Microelectronic EM3027 RTC chips.
527
528 This driver can also be built as a module. If so, the module
529 will be called rtc-em3027.
530
Heiko Schocher52365232011-05-26 16:25:05 -0700531config RTC_DRV_RV3029C2
532 tristate "Micro Crystal RTC"
533 help
534 If you say yes here you get support for the Micro Crystal
535 RV3029-C2 RTC chips.
536
537 This driver can also be built as a module. If so, the module
538 will be called rtc-rv3029c2.
539
Sangbeom Kim5bccae62013-11-12 15:11:04 -0800540config RTC_DRV_S5M
Krzysztof Kozlowski0c5deb12014-06-10 15:18:46 -0700541 tristate "Samsung S2M/S5M series"
Sangbeom Kim5bccae62013-11-12 15:11:04 -0800542 depends on MFD_SEC_CORE
543 help
544 If you say yes here you will get support for the
Krzysztof Kozlowski0c5deb12014-06-10 15:18:46 -0700545 RTC of Samsung S2MPS14 and S5M PMIC series.
Sangbeom Kim5bccae62013-11-12 15:11:04 -0800546
547 This driver can also be built as a module. If so, the module
548 will be called rtc-s5m.
549
Jan Engelhardtbb35fb22007-07-31 00:39:46 -0700550endif # I2C
551
Alessandro Zummo09a21e52007-05-08 00:33:48 -0700552comment "SPI RTC drivers"
Jan Engelhardtbb35fb22007-07-31 00:39:46 -0700553
554if SPI_MASTER
Alessandro Zummo09a21e52007-05-08 00:33:48 -0700555
Voss, Nikolaus74d34d42011-05-26 16:25:07 -0700556config RTC_DRV_M41T93
557 tristate "ST M41T93"
558 help
559 If you say yes here you will get support for the
560 ST M41T93 SPI RTC chip.
561
562 This driver can also be built as a module. If so, the module
563 will be called rtc-m41t93.
564
Kim B. Heino8fc2c762008-07-23 21:30:34 -0700565config RTC_DRV_M41T94
566 tristate "ST M41T94"
567 help
568 If you say yes here you will get support for the
569 ST M41T94 SPI RTC chip.
570
571 This driver can also be built as a module. If so, the module
572 will be called rtc-m41t94.
573
David Brownell53e84b62008-07-23 21:30:36 -0700574config RTC_DRV_DS1305
575 tristate "Dallas/Maxim DS1305/DS1306"
576 help
577 Select this driver to get support for the Dallas/Maxim DS1305
Alessandro Zummoae64d162009-01-06 14:42:17 -0800578 and DS1306 real time clock chips. These support a trickle
David Brownell53e84b62008-07-23 21:30:36 -0700579 charger, alarms, and NVRAM in addition to the clock.
580
581 This driver can also be built as a module. If so, the module
582 will be called rtc-ds1305.
583
Raghavendra Ganiga1d6316f2014-06-06 14:35:59 -0700584config RTC_DRV_DS1343
Raghavendra Ganiga0dd449b2014-06-06 14:36:00 -0700585 select REGMAP_SPI
Raghavendra Ganiga1d6316f2014-06-06 14:35:59 -0700586 tristate "Dallas/Maxim DS1343/DS1344"
587 help
588 If you say yes here you get support for the
589 Dallas/Maxim DS1343 and DS1344 real time clock chips.
590 Support for trickle charger, alarm is provided.
591
592 This driver can also be built as a module. If so, the module
593 will be called rtc-ds1343.
594
Raghavendra Ganiga617b26a2014-04-03 14:50:16 -0700595config RTC_DRV_DS1347
596 tristate "Dallas/Maxim DS1347"
597 help
598 If you say yes here you get support for the
599 Dallas/Maxim DS1347 chips.
600
601 This driver only supports the RTC feature, and not other chip
602 features such as alarms.
603
604 This driver can also be built as a module. If so, the module
605 will be called rtc-ds1347.
606
Mark Jackson06de1802008-11-12 13:27:07 -0800607config RTC_DRV_DS1390
608 tristate "Dallas/Maxim DS1390/93/94"
609 help
Alessandro Zummo7b9b2ef2009-01-06 14:42:16 -0800610 If you say yes here you get support for the
611 Dallas/Maxim DS1390/93/94 chips.
Mark Jackson06de1802008-11-12 13:27:07 -0800612
613 This driver only supports the RTC feature, and not other chip
614 features such as alarms and trickle charging.
615
616 This driver can also be built as a module. If so, the module
617 will be called rtc-ds1390.
618
Alessandro Zummo09b6bdb3b2008-02-06 01:38:40 -0800619config RTC_DRV_MAX6902
620 tristate "Maxim MAX6902"
621 help
622 If you say yes here you will get support for the
623 Maxim MAX6902 SPI RTC chip.
624
625 This driver can also be built as a module. If so, the module
626 will be called rtc-max6902.
627
Magnus Damm2805b962008-02-06 01:38:53 -0800628config RTC_DRV_R9701
629 tristate "Epson RTC-9701JE"
630 help
631 If you say yes here you will get support for the
632 Epson RTC-9701JE SPI RTC chip.
633
634 This driver can also be built as a module. If so, the module
635 will be called rtc-r9701.
636
Alessandro Zummo09a21e52007-05-08 00:33:48 -0700637config RTC_DRV_RS5C348
638 tristate "Ricoh RS5C348A/B"
Alessandro Zummo09a21e52007-05-08 00:33:48 -0700639 help
640 If you say yes here you get support for the
641 Ricoh RS5C348A and RS5C348B RTC chips.
642
643 This driver can also be built as a module. If so, the module
644 will be called rtc-rs5c348.
645
Dennis Aberilla2f9b75e2008-10-15 22:02:57 -0700646config RTC_DRV_DS3234
647 tristate "Maxim/Dallas DS3234"
648 help
649 If you say yes here you get support for the
650 Maxim/Dallas DS3234 SPI RTC chip.
651
652 This driver can also be built as a module. If so, the module
653 will be called rtc-ds3234.
654
Chris Verges7f3923a2009-09-22 16:46:20 -0700655config RTC_DRV_PCF2123
656 tristate "NXP PCF2123"
657 help
658 If you say yes here you get support for the NXP PCF2123
659 RTC chip.
660
661 This driver can also be built as a module. If so, the module
662 will be called rtc-pcf2123.
663
Torben Hohncce2da92013-02-21 16:44:40 -0800664config RTC_DRV_RX4581
665 tristate "Epson RX-4581"
666 help
667 If you say yes here you will get support for the Epson RX-4581.
668
669 This driver can also be built as a module. If so the module
670 will be called rtc-rx4581.
671
Josef Gajdusek1fcbe422014-06-06 14:36:02 -0700672config RTC_DRV_MCP795
673 tristate "Microchip MCP795"
674 help
675 If you say yes here you will get support for the Microchip MCP795.
676
677 This driver can also be built as a module. If so the module
678 will be called rtc-mcp795.
679
Jan Engelhardtbb35fb22007-07-31 00:39:46 -0700680endif # SPI_MASTER
681
Alessandro Zummo09a21e52007-05-08 00:33:48 -0700682comment "Platform RTC drivers"
Alessandro Zummo0c86edc2006-03-27 01:16:37 -0800683
David Brownell7be2c7c2007-02-10 01:46:02 -0800684# this 'CMOS' RTC driver is arch dependent because <asm-generic/rtc.h>
685# requires <asm/mc146818rtc.h> defining CMOS_READ/CMOS_WRITE, and a
686# global rtc_lock ... it's not yet just another platform_device.
687
688config RTC_DRV_CMOS
Alessandro Zummo09a21e52007-05-08 00:33:48 -0700689 tristate "PC-style 'CMOS'"
Geert Uytterhoeven41c9dbf2014-01-23 15:55:12 -0800690 depends on X86 || ARM || M32R || PPC || MIPS || SPARC64
David Brownellc7500902008-04-28 02:11:52 -0700691 default y if X86
David Brownell7be2c7c2007-02-10 01:46:02 -0800692 help
693 Say "yes" here to get direct support for the real time clock
694 found in every PC or ACPI-based system, and some other boards.
695 Specifically the original MC146818, compatibles like those in
696 PC south bridges, the DS12887 or M48T86, some multifunction
697 or LPC bus chips, and so on.
698
699 Your system will need to define the platform device used by
Alessandro Zummoae64d162009-01-06 14:42:17 -0800700 this driver, otherwise it won't be accessible. This means
David Brownell7be2c7c2007-02-10 01:46:02 -0800701 you can safely enable this driver if you don't know whether
702 or not your board has this kind of hardware.
703
704 This driver can also be built as a module. If so, the module
705 will be called rtc-cmos.
706
Richard Henderson85d0b3a2013-07-13 15:49:45 -0700707config RTC_DRV_ALPHA
708 bool "Alpha PC-style CMOS"
709 depends on ALPHA
710 default y
711 help
712 Direct support for the real-time clock found on every Alpha
713 system, specifically MC146818 compatibles. If in doubt, say Y.
714
Feng Tang0146f262010-11-10 17:29:17 +0000715config RTC_DRV_VRTC
Alan Cox933b9462011-12-17 17:43:40 +0000716 tristate "Virtual RTC for Intel MID platforms"
717 depends on X86_INTEL_MID
718 default y if X86_INTEL_MID
Feng Tang0146f262010-11-10 17:29:17 +0000719
720 help
721 Say "yes" here to get direct support for the real time clock
722 found on Moorestown platforms. The VRTC is a emulated RTC that
723 derives its clock source from a real RTC in the PMIC. The MC146818
724 style programming interface is mostly conserved, but any
725 updates are done via IPC calls to the system controller FW.
726
Thomas Bogendoerfer537739d2007-07-17 04:05:06 -0700727config RTC_DRV_DS1216
728 tristate "Dallas DS1216"
Jan Engelhardtbb35fb22007-07-31 00:39:46 -0700729 depends on SNI_RM
Thomas Bogendoerfer537739d2007-07-17 04:05:06 -0700730 help
731 If you say yes here you get support for the Dallas DS1216 RTC chips.
732
Thomas Bogendoerfer5f119f22008-10-14 17:16:59 +0200733config RTC_DRV_DS1286
734 tristate "Dallas DS1286"
735 help
736 If you say yes here you get support for the Dallas DS1286 RTC chips.
737
Paul Mundt739d3402008-02-06 01:38:44 -0800738config RTC_DRV_DS1302
739 tristate "Dallas DS1302"
740 depends on SH_SECUREEDGE5410
741 help
742 If you say yes here you get support for the Dallas DS1302 RTC chips.
743
Andrew Sharp8f267952008-02-06 01:38:46 -0800744config RTC_DRV_DS1511
745 tristate "Dallas DS1511"
Andrew Sharp8f267952008-02-06 01:38:46 -0800746 help
747 If you say yes here you get support for the
748 Dallas DS1511 timekeeping/watchdog chip.
749
750 This driver can also be built as a module. If so, the module
751 will be called rtc-ds1511.
752
Atsushi Nemoto9bf5b4f2006-06-25 05:48:28 -0700753config RTC_DRV_DS1553
Alessandro Zummo09b6bdb3b2008-02-06 01:38:40 -0800754 tristate "Maxim/Dallas DS1553"
Atsushi Nemoto9bf5b4f2006-06-25 05:48:28 -0700755 help
756 If you say yes here you get support for the
Alessandro Zummo09b6bdb3b2008-02-06 01:38:40 -0800757 Maxim/Dallas DS1553 timekeeping chip.
Atsushi Nemoto9bf5b4f2006-06-25 05:48:28 -0700758
759 This driver can also be built as a module. If so, the module
760 will be called rtc-ds1553.
761
Alessandro Zummo09b6bdb3b2008-02-06 01:38:40 -0800762config RTC_DRV_DS1742
763 tristate "Maxim/Dallas DS1742/1743"
764 help
765 If you say yes here you get support for the
766 Maxim/Dallas DS1742/1743 timekeeping chip.
767
768 This driver can also be built as a module. If so, the module
769 will be called rtc-ds1742.
770
Jean Delvaread0200f2014-08-08 14:20:03 -0700771config RTC_DRV_DS2404
772 tristate "Maxim/Dallas DS2404"
773 help
774 If you say yes here you get support for the
775 Dallas DS2404 RTC chip.
776
777 This driver can also be built as a module. If so, the module
778 will be called rtc-ds2404.
779
Ashish Jangamfef931f2012-03-23 15:02:36 -0700780config RTC_DRV_DA9052
781 tristate "Dialog DA9052/DA9053 RTC"
782 depends on PMIC_DA9052
783 help
784 Say y here to support the RTC driver for Dialog Semiconductor
785 DA9052-BC and DA9053-AA/Bx PMICs.
786
Ashish Jangam6920d992012-12-17 16:02:53 -0800787config RTC_DRV_DA9055
788 tristate "Dialog Semiconductor DA9055 RTC"
789 depends on MFD_DA9055
790 help
791 If you say yes here you will get support for the
792 RTC of the Dialog DA9055 PMIC.
793
794 This driver can also be built as a module. If so, the module
795 will be called rtc-da9055
796
Opensource [Steve Twiss]c2a57552014-06-06 14:36:03 -0700797config RTC_DRV_DA9063
798 tristate "Dialog Semiconductor DA9063 RTC"
799 depends on MFD_DA9063
800 help
801 If you say yes here you will get support for the RTC subsystem
802 of the Dialog Semiconductor DA9063.
803
804 This driver can also be built as a module. If so, the module
805 will be called "rtc-da9063".
806
dann frazier5e3fd9e2009-03-31 15:24:48 -0700807config RTC_DRV_EFI
808 tristate "EFI RTC"
Mark Salterda167ad2014-08-08 14:20:14 -0700809 depends on EFI
dann frazier5e3fd9e2009-03-31 15:24:48 -0700810 help
811 If you say yes here you will get support for the EFI
812 Real Time Clock.
813
814 This driver can also be built as a module. If so, the module
815 will be called rtc-efi.
816
Thomas Hommel02964112007-07-21 04:37:58 -0700817config RTC_DRV_STK17TA8
818 tristate "Simtek STK17TA8"
Thomas Hommel02964112007-07-21 04:37:58 -0700819 help
820 If you say yes here you get support for the
821 Simtek STK17TA8 timekeeping chip.
822
823 This driver can also be built as a module. If so, the module
824 will be called rtc-stk17ta8.
825
Alessandro Zummo09a21e52007-05-08 00:33:48 -0700826config RTC_DRV_M48T86
827 tristate "ST M48T86/Dallas DS12887"
Alessandro Zummo09a21e52007-05-08 00:33:48 -0700828 help
829 If you say Y here you will get support for the
830 ST M48T86 and Dallas DS12887 RTC chips.
831
832 This driver can also be built as a module. If so, the module
833 will be called rtc-m48t86.
834
Thomas Bogendoerferd1dbd82e2008-10-14 17:17:32 +0200835config RTC_DRV_M48T35
836 tristate "ST M48T35"
837 help
838 If you say Y here you will get support for the
839 ST M48T35 RTC chip.
840
841 This driver can also be built as a module, if so, the module
842 will be called "rtc-m48t35".
843
Mark Zhan2e774c72007-07-17 04:05:05 -0700844config RTC_DRV_M48T59
Krzysztof Helt94fe7422008-09-03 15:12:34 -0700845 tristate "ST M48T59/M48T08/M48T02"
Mark Zhan2e774c72007-07-17 04:05:05 -0700846 help
847 If you say Y here you will get support for the
Krzysztof Helt94fe7422008-09-03 15:12:34 -0700848 ST M48T59 RTC chip and compatible ST M48T08 and M48T02.
849
850 These chips are usually found in Sun SPARC and UltraSPARC
851 workstations.
Mark Zhan2e774c72007-07-17 04:05:05 -0700852
853 This driver can also be built as a module, if so, the module
854 will be called "rtc-m48t59".
855
Geert Uytterhoeven4f9b9bb2009-03-18 23:29:27 +0100856config RTC_DRV_MSM6242
857 tristate "Oki MSM6242"
858 help
859 If you say yes here you get support for the Oki MSM6242
860 timekeeping chip. It is used in some Amiga models (e.g. A2000).
861
862 This driver can also be built as a module. If so, the module
863 will be called rtc-msm6242.
864
David S. Millercca4c232008-08-29 01:29:53 -0700865config RTC_DRV_BQ4802
866 tristate "TI BQ4802"
867 help
868 If you say Y here you will get support for the TI
869 BQ4802 RTC chip.
870
871 This driver can also be built as a module. If so, the module
872 will be called rtc-bq4802.
873
Geert Uytterhoeven4f672ce2009-03-18 23:29:27 +0100874config RTC_DRV_RP5C01
875 tristate "Ricoh RP5C01"
876 help
877 If you say yes here you get support for the Ricoh RP5C01
878 timekeeping chip. It is used in some Amiga models (e.g. A3000
879 and A4000).
880
881 This driver can also be built as a module. If so, the module
882 will be called rtc-rp5c01.
883
Alessandro Zummo09a21e52007-05-08 00:33:48 -0700884config RTC_DRV_V3020
885 tristate "EM Microelectronic V3020"
Alessandro Zummo09a21e52007-05-08 00:33:48 -0700886 help
887 If you say yes here you will get support for the
888 EM Microelectronic v3020 RTC chip.
889
890 This driver can also be built as a module. If so, the module
891 will be called rtc-v3020.
892
Mark Brown35c86bf2009-08-27 19:59:05 +0200893config RTC_DRV_WM831X
894 tristate "Wolfson Microelectronics WM831x RTC"
895 depends on MFD_WM831X
896 help
897 If you say yes here you will get support for the RTC subsystem
898 of the Wolfson Microelectronics WM831X series PMICs.
899
900 This driver can also be built as a module. If so, the module
901 will be called "rtc-wm831x".
902
Mark Brown077eaf52008-11-12 13:27:04 -0800903config RTC_DRV_WM8350
904 tristate "Wolfson Microelectronics WM8350 RTC"
905 depends on MFD_WM8350
906 help
907 If you say yes here you will get support for the RTC subsystem
908 of the Wolfson Microelectronics WM8350.
909
910 This driver can also be built as a module. If so, the module
911 will be called "rtc-wm8350".
912
Rajeev Kumar0942a712011-05-26 16:25:09 -0700913config RTC_DRV_SPEAR
914 tristate "SPEAR ST RTC"
915 depends on PLAT_SPEAR
916 default y
917 help
918 If you say Y here you will get support for the RTC found on
919 spear
920
Balaji Raoeae854b2009-01-09 01:50:51 +0100921config RTC_DRV_PCF50633
922 depends on MFD_PCF50633
923 tristate "NXP PCF50633 RTC"
924 help
925 If you say yes here you get support for the RTC subsystem of the
926 NXP PCF50633 used in embedded systems.
927
Linus Walleijbd207cf2009-08-30 23:49:04 +0200928config RTC_DRV_AB3100
929 tristate "ST-Ericsson AB3100 RTC"
930 depends on AB3100_CORE
931 default y if AB3100_CORE
932 help
933 Select this to enable the ST-Ericsson AB3100 Mixed Signal IC RTC
934 support. This chip contains a battery- and capacitor-backed RTC.
935
Virupax Sadashivpetimath0af62f42010-05-26 14:42:14 -0700936config RTC_DRV_AB8500
937 tristate "ST-Ericsson AB8500 RTC"
938 depends on AB8500_CORE
Ulf Hansson651fb482012-10-04 17:14:32 -0700939 select RTC_INTF_DEV
Ramesh Chandrasekarandc43d4a2012-07-30 14:41:41 -0700940 select RTC_INTF_DEV_UIE_EMUL
Virupax Sadashivpetimath0af62f42010-05-26 14:42:14 -0700941 help
942 Select this to enable the ST-Ericsson AB8500 power management IC RTC
943 support. This chip contains a battery- and capacitor-backed RTC.
944
Wan ZongShunafd49a7e2009-12-15 16:46:17 -0800945config RTC_DRV_NUC900
946 tristate "NUC910/NUC920 RTC driver"
Venu Byravarasu6b8029f2012-10-04 17:13:59 -0700947 depends on ARCH_W90X900
Wan ZongShunafd49a7e2009-12-15 16:46:17 -0800948 help
949 If you say yes here you get support for the RTC subsystem of the
950 NUC910/NUC920 used in embedded systems.
Linus Walleijbd207cf2009-08-30 23:49:04 +0200951
Alessandro Zummo09a21e52007-05-08 00:33:48 -0700952comment "on-CPU RTC drivers"
Alessandro Zummo09a21e52007-05-08 00:33:48 -0700953
Miguel Aguilar8ecf6c52009-11-05 08:51:34 -0600954config RTC_DRV_DAVINCI
955 tristate "TI DaVinci RTC"
956 depends on ARCH_DAVINCI_DM365
957 help
958 If you say yes here you get support for the RTC on the
959 DaVinci platforms (DM365).
960
961 This driver can also be built as a module. If so, the module
962 will be called rtc-davinci.
963
Fabio Estevamb224b9a2012-05-29 15:07:37 -0700964config RTC_DRV_IMXDI
965 tristate "Freescale IMX DryIce Real Time Clock"
Roland Stiggeef216ad2012-12-17 16:02:22 -0800966 depends on ARCH_MXC
Fabio Estevamb224b9a2012-05-29 15:07:37 -0700967 help
968 Support for Freescale IMX DryIce RTC
969
970 This driver can also be built as a module, if so, the module
971 will be called "rtc-imxdi".
972
David Brownelldb68b182006-12-06 20:38:36 -0800973config RTC_DRV_OMAP
974 tristate "TI OMAP1"
Afzal Mohammed427af9a2012-12-17 16:02:17 -0800975 depends on ARCH_OMAP15XX || ARCH_OMAP16XX || ARCH_OMAP730 || ARCH_DAVINCI_DA8XX || SOC_AM33XX
David Brownelldb68b182006-12-06 20:38:36 -0800976 help
Afzal Mohammed427af9a2012-12-17 16:02:17 -0800977 Say "yes" here to support the on chip real time clock
978 present on TI OMAP1, AM33xx and DA8xx/OMAP-L13x.
979
980 This driver can also be built as a module, if so, module
981 will be called rtc-omap.
David Brownelldb68b182006-12-06 20:38:36 -0800982
Atul Dahiya16f4efe2010-07-20 16:38:49 +0530983config HAVE_S3C_RTC
984 bool
985 help
986 This will include RTC support for Samsung SoCs. If
987 you want to include RTC support for any machine, kindly
988 select this in the respective mach-XXXX/Kconfig file.
989
Ben Dooks1add6782006-07-01 04:36:26 -0700990config RTC_DRV_S3C
991 tristate "Samsung S3C series SoC RTC"
Kukjin Kimb130d5c2012-02-03 14:29:23 +0900992 depends on ARCH_S3C64XX || HAVE_S3C_RTC
Ben Dooks1add6782006-07-01 04:36:26 -0700993 help
994 RTC (Realtime Clock) driver for the clock inbuilt into the
995 Samsung S3C24XX series of SoCs. This can provide periodic
996 interrupt rates from 1Hz to 64Hz for user programs, and
997 wakeup from Alarm.
998
999 The driver currently supports the common features on all the
1000 S3C24XX range, such as the S3C2410, S3C2412, S3C2413, S3C2440
1001 and S3C2442.
1002
1003 This driver can also be build as a module. If so, the module
1004 will be called rtc-s3c.
1005
Alessandro Zummofd507e22006-03-27 01:16:45 -08001006config RTC_DRV_EP93XX
1007 tristate "Cirrus Logic EP93XX"
Jan Engelhardtbb35fb22007-07-31 00:39:46 -07001008 depends on ARCH_EP93XX
Alessandro Zummofd507e22006-03-27 01:16:45 -08001009 help
1010 If you say yes here you get support for the
1011 RTC embedded in the Cirrus Logic EP93XX processors.
1012
1013 This driver can also be built as a module. If so, the module
1014 will be called rtc-ep93xx.
1015
Richard Purdiee842f1c2006-03-27 01:16:46 -08001016config RTC_DRV_SA1100
Haojian Zhuang3888c092012-02-21 11:51:13 +08001017 tristate "SA11x0/PXA2xx/PXA910"
1018 depends on ARCH_SA1100 || ARCH_PXA || ARCH_MMP
Richard Purdiee842f1c2006-03-27 01:16:46 -08001019 help
1020 If you say Y here you will get access to the real time clock
1021 built into your SA11x0 or PXA2xx CPU.
1022
1023 To compile this driver as a module, choose M here: the
1024 module will be called rtc-sa1100.
Alessandro Zummofd507e22006-03-27 01:16:45 -08001025
Paul Mundt317a6102006-09-27 17:13:19 +09001026config RTC_DRV_SH
1027 tristate "SuperH On-Chip RTC"
Venu Byravarasu6b8029f2012-10-04 17:13:59 -07001028 depends on SUPERH && HAVE_CLK
Paul Mundt317a6102006-09-27 17:13:19 +09001029 help
1030 Say Y here to enable support for the on-chip RTC found in
1031 most SuperH processors.
1032
1033 To compile this driver as a module, choose M here: the
1034 module will be called rtc-sh.
1035
Yoichi Yuasa8417eb72006-04-10 22:54:47 -07001036config RTC_DRV_VR41XX
Alessandro Zummo3e16f6a2006-04-10 22:54:48 -07001037 tristate "NEC VR41XX"
Jan Engelhardtbb35fb22007-07-31 00:39:46 -07001038 depends on CPU_VR41XX
Alessandro Zummo3e16f6a2006-04-10 22:54:48 -07001039 help
1040 If you say Y here you will get access to the real time clock
1041 built into your NEC VR41XX CPU.
1042
1043 To compile this driver as a module, choose M here: the
1044 module will be called rtc-vr41xx.
Yoichi Yuasa8417eb72006-04-10 22:54:47 -07001045
Russell Kinga1909012008-04-20 12:08:36 +01001046config RTC_DRV_PL030
1047 tristate "ARM AMBA PL030 RTC"
1048 depends on ARM_AMBA
1049 help
1050 If you say Y here you will get access to ARM AMBA
1051 PrimeCell PL030 RTC found on certain ARM SOCs.
1052
1053 To compile this driver as a module, choose M here: the
1054 module will be called rtc-pl030.
1055
Deepak Saxena8ae6e162006-06-25 05:47:38 -07001056config RTC_DRV_PL031
1057 tristate "ARM AMBA PL031 RTC"
Jan Engelhardtbb35fb22007-07-31 00:39:46 -07001058 depends on ARM_AMBA
Deepak Saxena8ae6e162006-06-25 05:47:38 -07001059 help
1060 If you say Y here you will get access to ARM AMBA
Alessandro Zummo09a21e52007-05-08 00:33:48 -07001061 PrimeCell PL031 RTC found on certain ARM SOCs.
Deepak Saxena8ae6e162006-06-25 05:47:38 -07001062
1063 To compile this driver as a module, choose M here: the
1064 module will be called rtc-pl031.
1065
Hans-Christian Egtvedtfa04e782007-07-17 04:05:00 -07001066config RTC_DRV_AT32AP700X
1067 tristate "AT32AP700X series RTC"
Jan Engelhardtbb35fb22007-07-31 00:39:46 -07001068 depends on PLATFORM_AT32AP
Hans-Christian Egtvedtfa04e782007-07-17 04:05:00 -07001069 help
1070 Driver for the internal RTC (Realtime Clock) on Atmel AVR32
1071 AT32AP700x family processors.
1072
Andrew Victor7fc39f62006-12-10 02:19:03 -08001073config RTC_DRV_AT91RM9200
Nicolas Ferre24cecc12010-10-22 19:12:52 +02001074 tristate "AT91RM9200 or some AT91SAM9 RTC"
Nicolas Ferre938f9702012-03-15 14:38:09 +01001075 depends on ARCH_AT91
Andrew Victor788b1fc2006-06-25 05:48:27 -07001076 help
David Brownell4cdf8542008-02-06 01:38:59 -08001077 Driver for the internal RTC (Realtime Clock) module found on
Nicolas Ferre24cecc12010-10-22 19:12:52 +02001078 Atmel AT91RM9200's and some AT91SAM9 chips. On AT91SAM9 chips
David Brownell4cdf8542008-02-06 01:38:59 -08001079 this is powered by the backup power supply.
1080
1081config RTC_DRV_AT91SAM9
Nicolas Ferre24cecc12010-10-22 19:12:52 +02001082 tristate "AT91SAM9x/AT91CAP9 RTT as RTC"
David Brownell4cdf8542008-02-06 01:38:59 -08001083 depends on ARCH_AT91 && !(ARCH_AT91RM9200 || ARCH_AT91X40)
1084 help
Stelian Pop6b71dbf2008-04-05 21:16:15 +01001085 RTC driver for the Atmel AT91SAM9x and AT91CAP9 internal RTT
1086 (Real Time Timer). These timers are powered by the backup power
1087 supply (such as a small coin cell battery), but do not need to
1088 be used as RTCs.
David Brownell4cdf8542008-02-06 01:38:59 -08001089
Nicolas Ferre24cecc12010-10-22 19:12:52 +02001090 (On AT91SAM9rl and AT91SAM9G45 chips you probably want to use the
1091 dedicated RTC module and leave the RTT available for other uses.)
David Brownell4cdf8542008-02-06 01:38:59 -08001092
1093config RTC_DRV_AT91SAM9_RTT
1094 int
1095 range 0 1
1096 default 0
1097 prompt "RTT module Number" if ARCH_AT91SAM9263
1098 depends on RTC_DRV_AT91SAM9
1099 help
Alessandro Zummoae64d162009-01-06 14:42:17 -08001100 More than one RTT module is available. You can choose which
1101 one will be used as an RTC. The default of zero is normally
David Brownell4cdf8542008-02-06 01:38:59 -08001102 OK to use, though some systems use that for non-RTC purposes.
1103
1104config RTC_DRV_AT91SAM9_GPBR
1105 int
1106 range 0 3 if !ARCH_AT91SAM9263
1107 range 0 15 if ARCH_AT91SAM9263
1108 default 0
1109 prompt "Backup Register Number"
1110 depends on RTC_DRV_AT91SAM9
1111 help
1112 The RTC driver needs to use one of the General Purpose Backup
Alessandro Zummoae64d162009-01-06 14:42:17 -08001113 Registers (GPBRs) as well as the RTT. You can choose which one
1114 will be used. The default of zero is normally OK to use, but
David Brownell4cdf8542008-02-06 01:38:59 -08001115 on some systems other software needs to use that register.
Andrew Victor788b1fc2006-06-25 05:48:27 -07001116
Manuel Lauss45fd8a02009-01-06 14:42:18 -08001117config RTC_DRV_AU1XXX
1118 tristate "Au1xxx Counter0 RTC support"
Manuel Lauss42a4f172010-07-15 21:45:04 +02001119 depends on MIPS_ALCHEMY
Manuel Lauss45fd8a02009-01-06 14:42:18 -08001120 help
1121 This is a driver for the Au1xxx on-chip Counter0 (Time-Of-Year
1122 counter) to be used as a RTC.
1123
1124 This driver can also be built as a module. If so, the module
1125 will be called rtc-au1xxx.
1126
Wu, Bryan8cc75c92007-05-06 14:50:32 -07001127config RTC_DRV_BFIN
1128 tristate "Blackfin On-Chip RTC"
Graf Yang7f604592008-08-20 14:09:02 -07001129 depends on BLACKFIN && !BF561
Wu, Bryan8cc75c92007-05-06 14:50:32 -07001130 help
1131 If you say yes here you will get support for the
1132 Blackfin On-Chip Real Time Clock.
1133
1134 This driver can also be built as a module. If so, the module
1135 will be called rtc-bfin.
1136
Nobuhiro Iwamatsue9f2bd82007-05-08 00:26:37 -07001137config RTC_DRV_RS5C313
1138 tristate "Ricoh RS5C313"
Jan Engelhardtbb35fb22007-07-31 00:39:46 -07001139 depends on SH_LANDISK
Nobuhiro Iwamatsue9f2bd82007-05-08 00:26:37 -07001140 help
1141 If you say yes here you get support for the Ricoh RS5C313 RTC chips.
1142
Geert Uytterhoeven3afe6d02009-02-19 16:46:49 +01001143config RTC_DRV_GENERIC
1144 tristate "Generic RTC support"
1145 # Please consider writing a new RTC driver instead of using the generic
1146 # RTC abstraction
Paul Mundt47c8a082009-04-27 17:34:39 +09001147 depends on PARISC || M68K || PPC || SUPERH32
Kyle McMartin9eb16862008-09-10 14:24:07 +00001148 help
Geert Uytterhoeven3afe6d02009-02-19 16:46:49 +01001149 Say Y or M here to enable RTC support on systems using the generic
1150 RTC abstraction. If you do not know what you are doing, you should
Kyle McMartin9eb16862008-09-10 14:24:07 +00001151 just say Y.
1152
Robert Jarzmikdc944362009-01-06 14:42:14 -08001153config RTC_DRV_PXA
1154 tristate "PXA27x/PXA3xx"
1155 depends on ARCH_PXA
1156 help
1157 If you say Y here you will get access to the real time clock
1158 built into your PXA27x or PXA3xx CPU.
1159
1160 This RTC driver uses PXA RTC registers available since pxa27x
1161 series (RDxR, RYxR) instead of legacy RCNR, RTAR.
1162
Alexey Charkovf77fbdf2011-05-26 16:25:03 -07001163config RTC_DRV_VT8500
1164 tristate "VIA/WonderMedia 85xx SoC RTC"
1165 depends on ARCH_VT8500
1166 help
1167 If you say Y here you will get access to the real time clock
1168 built into your VIA VT8500 SoC or its relatives.
1169
Robert Jarzmikdc944362009-01-06 14:42:14 -08001170
David S. Miller7a138ed2008-08-29 01:32:43 -07001171config RTC_DRV_SUN4V
1172 bool "SUN4V Hypervisor RTC"
1173 depends on SPARC64
1174 help
1175 If you say Y here you will get support for the Hypervisor
1176 based RTC on SUN4V systems.
1177
Carlo Caione594c6fb2013-11-16 18:33:54 +01001178config RTC_DRV_SUNXI
1179 tristate "Allwinner sun4i/sun7i RTC"
1180 depends on ARCH_SUNXI
1181 help
1182 If you say Y here you will get support for the RTC found on
1183 Allwinner A10/A20.
1184
David S. Millerde2cf332008-08-28 23:02:36 -07001185config RTC_DRV_STARFIRE
1186 bool "Starfire RTC"
1187 depends on SPARC64
1188 help
1189 If you say Y here you will get support for the RTC found on
1190 Starfire systems.
1191
Atsushi Nemoto0e149232009-01-06 14:42:22 -08001192config RTC_DRV_TX4939
1193 tristate "TX4939 SoC"
1194 depends on SOC_TX4939
1195 help
1196 Driver for the internal RTC (Realtime Clock) module found on
1197 Toshiba TX4939 SoC.
1198
Saeed Bisharadefb4512009-01-06 14:42:24 -08001199config RTC_DRV_MV
1200 tristate "Marvell SoC RTC"
Gregory CLEMENTa1671da2012-12-12 10:06:23 +01001201 depends on ARCH_KIRKWOOD || ARCH_DOVE || ARCH_MVEBU
Saeed Bisharadefb4512009-01-06 14:42:24 -08001202 help
1203 If you say yes here you will get support for the in-chip RTC
1204 that can be found in some of Marvell's SoC devices, such as
1205 the Kirkwood 88F6281 and 88F6192.
1206
1207 This driver can also be built as a module. If so, the module
1208 will be called rtc-mv.
1209
Geert Uytterhoeven0b5f0372009-02-24 14:04:20 +01001210config RTC_DRV_PS3
1211 tristate "PS3 RTC"
1212 depends on PPC_PS3
1213 help
1214 If you say yes here you will get support for the RTC on PS3.
1215
1216 This driver can also be built as a module. If so, the module
1217 will be called rtc-ps3.
1218
Linus Walleijaa958f52009-09-22 16:46:24 -07001219config RTC_DRV_COH901331
1220 tristate "ST-Ericsson COH 901 331 RTC"
1221 depends on ARCH_U300
1222 help
1223 If you say Y here you will get access to ST-Ericsson
1224 COH 901 331 RTC clock found in some ST-Ericsson Mobile
1225 Platforms.
1226
1227 This driver can also be built as a module. If so, the module
1228 will be called "rtc-coh901331".
1229
1230
dmitry pervushindf17f632009-09-22 16:46:26 -07001231config RTC_DRV_STMP
Wolfram Sang46b21212011-05-25 12:56:50 +02001232 tristate "Freescale STMP3xxx/i.MX23/i.MX28 RTC"
1233 depends on ARCH_MXS
dmitry pervushindf17f632009-09-22 16:46:26 -07001234 help
1235 If you say yes here you will get support for the onboard
Wolfram Sang46b21212011-05-25 12:56:50 +02001236 STMP3xxx/i.MX23/i.MX28 RTC.
dmitry pervushindf17f632009-09-22 16:46:26 -07001237
1238 This driver can also be built as a module. If so, the module
1239 will be called rtc-stmp3xxx.
1240
Daniel Ribeirod3c7a3f2009-09-22 16:46:27 -07001241config RTC_DRV_PCAP
1242 tristate "PCAP RTC"
1243 depends on EZX_PCAP
1244 help
1245 If you say Y here you will get support for the RTC found on
1246 the PCAP2 ASIC used on some Motorola phones.
1247
Uwe Kleine-König1c978722010-10-28 12:30:53 +02001248config RTC_DRV_MC13XXX
1249 depends on MFD_MC13XXX
1250 tristate "Freescale MC13xxx RTC"
Uwe Kleine-König43299f2852009-12-15 16:46:09 -08001251 help
Uwe Kleine-König1c978722010-10-28 12:30:53 +02001252 This enables support for the RTCs found on Freescale's PMICs
1253 MC13783 and MC13892.
Uwe Kleine-König43299f2852009-12-15 16:46:09 -08001254
Anatolij Gustschin50aae722010-02-16 10:47:35 -07001255config RTC_DRV_MPC5121
1256 tristate "Freescale MPC5121 built-in RTC"
Dmitry Eremin-Solenikov955dbea2011-07-25 17:13:30 -07001257 depends on PPC_MPC512x || PPC_MPC52xx
Anatolij Gustschin50aae722010-02-16 10:47:35 -07001258 help
1259 If you say yes here you will get support for the
Dmitry Eremin-Solenikov955dbea2011-07-25 17:13:30 -07001260 built-in RTC on MPC5121 or on MPC5200.
Anatolij Gustschin50aae722010-02-16 10:47:35 -07001261
1262 This driver can also be built as a module. If so, the module
1263 will be called rtc-mpc5121.
1264
Lars-Peter Clausen3bf0eea2010-06-19 18:29:50 +00001265config RTC_DRV_JZ4740
1266 tristate "Ingenic JZ4740 SoC"
Lars-Peter Clausen3bf0eea2010-06-19 18:29:50 +00001267 depends on MACH_JZ4740
1268 help
1269 If you say yes here you get support for the Ingenic JZ4740 SoC RTC
1270 controller.
1271
1272 This driver can also be buillt as a module. If so, the module
1273 will be called rtc-jz4740.
1274
Kevin Wells9aa449b2010-10-27 15:33:01 -07001275config RTC_DRV_LPC32XX
1276 depends on ARCH_LPC32XX
1277 tristate "NXP LPC32XX RTC"
1278 help
1279 This enables support for the NXP RTC in the LPC32XX
1280
1281 This driver can also be buillt as a module. If so, the module
1282 will be called rtc-lpc32xx.
1283
Anirudh Ghayal9a9a54a2011-07-25 17:13:33 -07001284config RTC_DRV_PM8XXX
1285 tristate "Qualcomm PMIC8XXX RTC"
1286 depends on MFD_PM8XXX
1287 help
1288 If you say yes here you get support for the
1289 Qualcomm PMIC8XXX RTC.
1290
1291 To compile this driver as a module, choose M here: the
1292 module will be called rtc-pm8xxx.
1293
Andrew Chewff859ba2011-03-22 16:34:55 -07001294config RTC_DRV_TEGRA
1295 tristate "NVIDIA Tegra Internal RTC driver"
Venu Byravarasu6b8029f2012-10-04 17:13:59 -07001296 depends on ARCH_TEGRA
Andrew Chewff859ba2011-03-22 16:34:55 -07001297 help
1298 If you say yes here you get support for the
1299 Tegra 200 series internal RTC module.
1300
1301 This drive can also be built as a module. If so, the module
1302 will be called rtc-tegra.
1303
Chris Metcalfdd196a22011-05-09 13:28:43 -04001304config RTC_DRV_TILE
1305 tristate "Tilera hypervisor RTC support"
1306 depends on TILE
1307 help
1308 Enable support for the Linux driver side of the Tilera
1309 hypervisor's real-time clock interface.
1310
Guan Xuetao2809e802011-05-26 16:43:27 +08001311config RTC_DRV_PUV3
1312 tristate "PKUnity v3 RTC support"
1313 depends on ARCH_PUV3
1314 help
1315 This enables support for the RTC in the PKUnity-v3 SoCs.
1316
1317 This drive can also be built as a module. If so, the module
1318 will be called rtc-puv3.
1319
zhao zhangb4f0b882012-03-23 15:02:32 -07001320config RTC_DRV_LOONGSON1
1321 tristate "loongson1 RTC support"
1322 depends on MACH_LOONGSON1
1323 help
1324 This is a driver for the loongson1 on-chip Counter0 (Time-Of-Year
1325 counter) to be used as a RTC.
1326
1327 This driver can also be built as a module. If so, the module
1328 will be called rtc-ls1x.
1329
Fabio Estevam79811592012-05-29 15:07:37 -07001330config RTC_DRV_MXC
Fabio Estevamb224b9a2012-05-29 15:07:37 -07001331 tristate "Freescale MXC Real Time Clock"
1332 depends on ARCH_MXC
Fabio Estevamb224b9a2012-05-29 15:07:37 -07001333 help
1334 If you say yes here you get support for the Freescale MXC
1335 RTC module.
1336
1337 This driver can also be built as a module, if so, the module
1338 will be called "rtc-mxc".
1339
Shawn Guo179a5022012-10-04 17:13:49 -07001340config RTC_DRV_SNVS
1341 tristate "Freescale SNVS RTC support"
1342 depends on HAS_IOMEM
1343 depends on OF
1344 help
1345 If you say yes here you get support for the Freescale SNVS
1346 Low Power (LP) RTC module.
1347
1348 This driver can also be built as a module, if so, the module
1349 will be called "rtc-snvs".
1350
Xianglong Due88b8152013-07-03 15:08:04 -07001351config RTC_DRV_SIRFSOC
1352 tristate "SiRFSOC RTC"
1353 depends on ARCH_SIRF
1354 help
1355 Say "yes" here to support the real time clock on SiRF SOC chips.
1356 This driver can also be built as a module called rtc-sirfsoc.
1357
Jonas Jensen453b4c62013-09-11 14:24:17 -07001358config RTC_DRV_MOXART
1359 tristate "MOXA ART RTC"
Jean Delvare441fb762014-08-08 14:20:05 -07001360 depends on ARCH_MOXART || COMPILE_TEST
Jonas Jensen453b4c62013-09-11 14:24:17 -07001361 help
1362 If you say yes here you get support for the MOXA ART
1363 RTC module.
1364
1365 This driver can also be built as a module. If so, the module
1366 will be called rtc-moxart
1367
Loc Hof12d8692014-06-06 14:35:42 -07001368config RTC_DRV_XGENE
1369 tristate "APM X-Gene RTC"
1370 help
1371 If you say yes here you get support for the APM X-Gene SoC real time
1372 clock.
1373
1374 This driver can also be built as a module, if so, the module
1375 will be called "rtc-xgene".
1376
Alexander Holler62e00cb2012-12-15 12:45:00 +00001377comment "HID Sensor RTC drivers"
1378
1379config RTC_DRV_HID_SENSOR_TIME
1380 tristate "HID Sensor Time"
1381 depends on USB_HID
1382 select IIO
1383 select HID_SENSOR_HUB
1384 select HID_SENSOR_IIO_COMMON
1385 help
1386 Say yes here to build support for the HID Sensors of type Time.
1387 This drivers makes such sensors available as RTCs.
1388
1389 If this driver is compiled as a module, it will be named
1390 rtc-hid-sensor-time.
1391
1392
Jan Engelhardtbb35fb22007-07-31 00:39:46 -07001393endif # RTC_CLASS